dc/dc converters high current, high efficiency, low profile 1 2 year warranty new product all specifications are typical at nominal input, full load at 25c ambient unless otherwise stated specifications file name: eighth_brick_24v.pdf rev (01) 21 sept 2004 ? ultra-high efficiency topology ? industry standard eighth-brick footprint (identical to 1/4 brick pinout) ? low profile through-hole version ? low profile with 38% space savings over other 1/4 brick converters ? wi de ambient temperature range, -40oc to +85oc ? 80% to 110% output trim ? monotonic start-up in normal and prebiased loads ? basic insulation system ? overvoltage and overtemperature protection ? secondary side control, no optocouplers, fast transient response ? 50v, 100ms input voltage transient rated the 24v, typhoon ? eighth-brick series is a new high efficiency, open-frame, low profile, single board, isolated dc/dc converter series in an industry standard eighth-brick footprint that provides up to 66w of output power. the series delivers very high output current at low voltages, and provides an excellent amount of usable power for todays high performance applications. the series features an input voltage range of 18 to 36vdc and is available with output voltages of 1.8v and 3.3v. the output voltage is adjustable from 80% to 110% of the nominal value. the series also has a remote on/off capability. overcurrent, overvoltage and overtemperature protection features are included as standard. full international safety approval, including en60950-1 vde and ul/cul60950, reduces compliance costs and time to market. eighth-brick series 24vin, single output output specifications v oltage adjustability 80% to 110% minimum load 0% overshoot at turn-on and turn-off none undershoot none t ransient response 70mv to 150mv typ. deviation (see note 1) 20s recovery input specifications input voltage range 24v nominal 18 to 36vdc input current no load 70ma remote off 5ma active high remote on/off logic compatibility open collector ref to -input on open circuit or >2.4vdc off <0.4vdc undervoltage lockout power up 17.5v (typ.) power down 16.5v (typ.) start-up time power up 15ms (max.) (see note 2) remote on/off 15ms (max.) international safety standard approvals ul/cul can/csa 22.2 no. 60950-00 : ul 60950 file no. e135734 vde certificate no. 40005017 emc characteristics immunity: esd air enclosure en61000-4-2 8kv/6kv (output within spec.) radiated field enclosure en61000-4-3 10v/m (output within spec.) conducted en61000-4-6 10v (output within spec.) input transients 50v, 100ms general specifications basic insulation input/output 2250vdc switching frequency fixed 480khz approvals and (see note 3) en60950-1 vde standards ul/cul 60950 material flammability ul94v-0 w eight 21g (0.73oz) mtbf telcordia tech sr-332 5,000,000 hours environmental specifications thermal performance operating ambient, -40c to +85c temperature non-operating -55c to +125c protection short-circuit continuous overvoltage non-latching thermal 125oc hot spot temperature with automatic recovery patent no. 6,765,810 other patents pending
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters high current, high efficiency, low profile 2 new product file name: eighth_brick_24v.pdf rev (01) 21 sept 2004 les20a24-1v8ra part number system with options notes 1 di/dt = 1a/s, vin = 24vdc, tc = 25c, load change = 50% to 75% lo max. and 75% to 50% lo max. deviation varies by model. for further details see long form data sheet. 2 start-up into resistive load. start-up time is the time between application of power or rto to output being within specification. 3 this product is only for inclusion by professional installers within other equipment and must not be operated as a stand-alone product. 4 recommended input fusing is up to 10a hrc 63v rated fuse. 5 peak to peak measured with no external filter and 20mhz bw. significant reduction possible with external filter. see application note 138 for further details. caution: hazardous internal voltages and high temperatures. ensure that unit is not user accessible. l = low profile e = 1/8 brick number of outputs s = single rated output current 20a = 20a nominal rated input voltage 24 = 24volts (18 to 36v range) body height, package type and pin length a = 0.300 (7.62 mm), through-hole, 0.188 (4.78 mm) pins e = 0.340 (8.64 mm), through-hole, 0.188 (4.78 mm) pins s = 0.280 (7.11mm) surface-mount remote on/off logic blank = positive r = negative output voltage 1v8 = 1.8 volts etc. eighth-brick series 24vin, single output output input input output efficiency regulation model voltage current ripple current (typ.) set point line load ripple & number (max.) (4) current (5) (max.) accuracy noise max (pk - pk) (5) 1.8v 2.40a 50ma 20a 91% 1.5% 0.1% 0.2% 35mv les20a24-1v8 3.3v 4.25a 170ma 20a 90% 1.5% 0.1% 0.2% 60mv les20a24-3v3
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters high current, high efficiency, low profile 3 new product data sheet ? artesyn technologies ? 2004 the information and specifications contained in this data sheet are believed to be correct at time of publication. however, art esyn technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. the information and specifications contained or described herein are subject to change in any manner at any time without notice. no rights under any patent accompany the sale of any such product(s) or information contained herein. please consult our website for the following items: ? application note ? longform datasheet www.artesyn.com file name: eighth_brick_24v.pdf rev (01) 21 sept 2004 eighth-brick series 24vin, single output dimension options option clearance height 0.016 (0.41) +0.022 (0.56) -0.030 (0.76) a 0.030 (0.76) 0.300 (7.62) e 0.070 (1.78) 0.340 (8.64) 2.30 (58.4) 2.000 (50.80) 0.300 (7.62) 0.45 (11.4) ? 0.062 0.002 ( ? 1.57 0.05) (2 pls) 1 4 5 6 7 8 3 2 top view ? 0.040 0.002 ( ? 1.02 0.05) (6 pls) 0.90 (22.9) 0.150 (3.81) 0.300 (7.62) 0.145 0.020 (3.68 0.51) 0.188 (4.78) clearance see option table height see option table dimensions in inches (mm) t olerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25) 2.30 (58.4) 2.000 (50.80) 0.300 (7.62) ? 0.080 0.008 ( ? 2.03 0.02) (2 pls) ref ipc-2222 level b 1 4 5 6 7 8 3 2 ? 0.058 0.008 ( ? 1.47 0.02) (6 pls) ref ipc-2222 level b 0.300 (7.62) 0.145 0.020 (3.68 0.51) recommended hole pattern 0.150 (3.81) 0.150 (3.81) 0.150 (3.81) 0.90 (22.9) 0.45 (11.4) dimensions in inches (mm) to lerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25) clearance 0.015 (0.38) 0.300 (7.62) 0.300 (7.62) 0.450 0.020 (11.43 0.51) 0.90 (22.9) 0.300 (7.62) ?0.058 0.008 (?1.47 0.02) (6 pls) 0.450 0.020 0.90 (22.9) 0.300 (7.62) 0.057 0.020 (1.45 0.51) 0.150 (3.81) 8 1 2.000 top view 0.145 0.020 (3.68 0.51) 2 3 5 4 6 7 2.186 (55.52) 2.30 (58.4) 0.057 0.020 (1.45 0.51) 0.150 (3.81) 0.067(1.70) x 0.118(3.00) (8 pls) ?0.080 0.008 (?2.03 0.02) (2 pls) 0.150 (3.81) top view 3 2 1 4 5 8 6 7 0.150 (3.81) 2.186 (55.52) 2.30 (58.4) 0.055 (1.40) x 0.105 (2.67) (7 pls) (50.80) (11.43 0.51) height 0.28 (7.1) lead coplanarity within 0.006 [0.15] max ref ipc-2222 level b ref ipc-2222 level b through-hole mechanical drawing, dimension options and pinout table pin connections pin number function pin number function 1+ vi n5 -sense 2 on/off 6 trim 3- vi n7 +sense 4-v out 8 +vout surface-mount mechanical drawing and pinout table pin connections pin number function pin number function 1+ vi n5 -sense 2 on/off 6 trim 3- vi n7 +sense 4-v out 8 +vout
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